AN ENUMERATION OF CULTIVATED TERNS. 



103 



pinnae entire, dentate or pinnatifid. 

 Veins forked or pinnate ; venules 

 free, their apices clavate, the lower 

 exterior one sporangiferous. Recep- 

 tacles punctiform. Sori terminal, 

 round. Indusium reniform or 

 absent. 



a. Indusium absent. 



1. A. tenella, /. Sm. in 'Hook. Fil. 

 Fl. Nov. Zeal, t. 82. Poly- 

 podium tenellum, Forst. 

 ScJifc. Fil. t. 16. Poly- 

 podium filipes, Hoore, in 

 Gard. Chron. (1855), 

 p. 368; Lowe's Ferns, 2, 

 t. 38. Arthropteris filipes, 

 J. Sm. Cat. Cult. Ferns 

 (1857). New Zealand. 



Genus 78. Pinna of No. 1, and 

 ditto No. 3, natural size. 



&. Indusium small, soon obliterated. 



2. A. obliterata, /. Sm. JNephrodium obliteratum, R. Br. 

 Nephrolepis obliterata, Hook. Sp. Fil. 4, p. 154. 

 Lindsa3aLowei,.Hbr. Australia, Malayan and Poly- 

 nesian Islands. 



c. Indusium evident, pinnae pinnatifid. 



3. A. albo-punctata, J". Sm. Aspidium albo-punctatum, 

 Willd. Nephrodium albo-punctatum, Desv. ; jEToofc. 

 Fil. Exot. t. 89. Aspidium leucosticton, Kunze. 

 Aspidium (Lastrea) Boutonianum, HooJc. Ic. PL 

 t. 93. Mauritius, W. Tropical Africa. 



